federal prosecutors charged 23-year-old paul anthony ciancia with murder of a federal officer and violence at an international airport. they say he wrote and signed a note stating he had, quote, made the conscious decision to kill multiple tsa employees. >> his intent was very, very clear in his note. >> it's believed to be a premeditated act in the first degree. >> the charges could lead to the death penalty or life without parole. as the investigation into ciancia's motive's continue, the grief of the family of the victim is just beginning. gerardo hernandez, who would have turned 40 next week, had worked at l.a.x. since 2010. >> we are all heart broken and will miss him dearly. he was a joyful person, always smiling. he took pride in his duty for the american public and for the tsa mission. >> the next step for police is reviewing video of ciancia's alleged movements at the airport. they have yet to interview him because he's reportedly unresponsive at a los angeles airport. >>> new video into our newsroom this morning, all westbound lanes of 580 were blocked for three hours overnight h